Because you like Geordi La Forge in Star Trek: The Next Generation

As high-strung as she is talented, Rachel Berry both marches and sings to the beat of her own drum. See them in Glee.

The bad boy medical intern might have a soft side‚ but you need to dig deep for it. See them in Grey's Anatomy.

A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.

After having his mind altered after a bad breakup, Joel Barish is not convinced that ignorance is bliss. See them in Eternal Sunshine of the Spotless Mind.

Lily Aldrin is a flaky but supportive kindergarten teacher and painter. See them in How I Met Your Mother.

A company man who has never done a day of work, Creed Bratton pursues sketchy extracurricular activities that keep him busy. See them in The Office.

Ursula will oh-so-generously grant your wishes for a price. See them in The Little Mermaid.

In Dennis Reynolds' mind, only a psycho wouldn't have a six-part system to bring home women. And he should know. See them in It's Always Sunny in Philadelphia .

Kumar Patel is always high, always hungry for sliders. See them in Harold & Kumar Go To White Castle.

Mr. Fox will never truly be happy without a dead chicken between his chompers. See them in Fantastic Mr. Fox.

Romantic, impulsive, and captivated by the joys of life, Natasha Rostova is on the messy path of growing up. See them in War and Peace.

Even the smallest person can change the course of the world, if he's brave enough. See them in The Lord of the Rings.